public static void CellDataHandler(ICellLayout layout, CellRenderer cell, ITreeModel model, TreeIter iter)
{
SourceRowRenderer renderer = cell as SourceRowRenderer;
if (renderer == null)
{
return;
}
var type = model.GetValue(iter, (int)SourceModel.Columns.Type);
if (type == null || (SourceModel.EntryType)type != SourceModel.EntryType.Source)
{
renderer.Visible = false;
return;
}
Source source = model.GetValue(iter, 0) as Source;
renderer.Source = source;
renderer.Iter = iter;
if (source == null)
{
return;
}
renderer.Visible = true;
renderer.Text = source.Name;
renderer.Sensitive = source.CanActivate;
}
private void BuildColumns()
{
// Hidden expander column
TreeViewColumn col = new TreeViewColumn();
col.Visible = false;
AppendColumn(col);
ExpanderColumn = col;
source_column = new TreeViewColumn();
source_column.Sizing = TreeViewColumnSizing.Autosize;
uint xpad = 2;
// Special renderer for header rows; hidden for normal source rows
header_renderer = new CellRendererText()
{
Xpad = xpad,
Ypad = 4,
Ellipsize = Pango.EllipsizeMode.End,
Weight = (int)Pango.Weight.Bold,
Variant = Pango.Variant.SmallCaps
};
// Renderer for source rows; hidden for header rows
source_renderer = new SourceRowRenderer();
source_renderer.Xpad = xpad;
source_column.PackStart(header_renderer, true);
source_column.SetCellDataFunc(header_renderer, new Gtk.CellLayoutDataFunc((layout, cell, model, iter) => {
var type = (SourceModel.EntryType)model.GetValue(iter, (int)SourceModel.Columns.Type);
header_renderer.Visible = type == SourceModel.EntryType.Group;
source_renderer.Visible = type == SourceModel.EntryType.Source;
if (type == SourceModel.EntryType.Group)
{
var source = model.GetValue(iter, (int)SourceModel.Columns.Source) as Source;
header_renderer.Visible = true;
header_renderer.Text = source.Name;
}
else
{
header_renderer.Visible = false;
}
}));
int width, height;
Gtk.Icon.SizeLookup(IconSize.Menu, out width, out height);
source_renderer.RowHeight = RowHeight.Get();
source_renderer.RowHeight = height;
source_renderer.Ypad = (uint)RowPadding.Get();
source_renderer.Ypad = 2;
source_column.PackStart(source_renderer, true);
source_column.SetCellDataFunc(source_renderer, new CellLayoutDataFunc(SourceRowRenderer.CellDataHandler));
AppendColumn(source_column);
HeadersVisible = false;
}
private void BuildColumns()
{
// Hidden expander column
TreeViewColumn col = new TreeViewColumn();
col.Visible = false;
AppendColumn(col);
ExpanderColumn = col;
focus_column = new TreeViewColumn();
renderer = new SourceRowRenderer();
renderer.RowHeight = RowHeight.Get();
renderer.Padding = RowPadding.Get();
focus_column.PackStart(renderer, true);
focus_column.SetCellDataFunc(renderer, new CellLayoutDataFunc(SourceRowRenderer.CellDataHandler));
AppendColumn(focus_column);
HeadersVisible = false;
}
public static void CellDataHandler (CellLayout layout, CellRenderer cell, TreeModel model, TreeIter iter)
{
SourceRowRenderer renderer = cell as SourceRowRenderer;
Source source = model.GetValue (iter, 0) as Source;
if (renderer == null) {
return;
}
renderer.Source = source;
renderer.Path = model.GetPath (iter);
if (source == null) {
return;
}
renderer.Text = source.Name;
renderer.Sensitive = source.CanActivate;
}
public SourceComboBox()
{
renderer = new SourceRowRenderer();
renderer.ParentWidget = this;
PackStart(renderer, true);
SetCellDataFunc(renderer, new CellLayoutDataFunc(SourceRowRenderer.CellDataHandler));
store = new SourceModel();
Model = store;
ServiceManager.SourceManager.ActiveSourceChanged += delegate {
ThreadAssist.ProxyToMain(UpdateActiveSource);
};
ServiceManager.SourceManager.SourceUpdated += delegate {
ThreadAssist.ProxyToMain(QueueDraw);
};
store.Refresh();
}
public SourceComboBox()
{
renderer = new SourceRowRenderer ();
renderer.ParentWidget = this;
PackStart (renderer, true);
SetCellDataFunc (renderer, new CellLayoutDataFunc (SourceRowRenderer.CellDataHandler));
store = new SourceModel ();
Model = store;
ServiceManager.SourceManager.ActiveSourceChanged += delegate {
ThreadAssist.ProxyToMain (UpdateActiveSource);
};
ServiceManager.SourceManager.SourceUpdated += delegate {
ThreadAssist.ProxyToMain (QueueDraw);
};
store.Refresh ();
}
private void BuildColumns ()
{
// Hidden expander column
TreeViewColumn col = new TreeViewColumn ();
col.Visible = false;
AppendColumn (col);
ExpanderColumn = col;
focus_column = new TreeViewColumn ();
renderer = new SourceRowRenderer ();
renderer.RowHeight = RowHeight.Get ();
renderer.Padding = RowPadding.Get ();
focus_column.PackStart (renderer, true);
focus_column.SetCellDataFunc (renderer, new CellLayoutDataFunc (SourceRowRenderer.CellDataHandler));
AppendColumn (focus_column);
HeadersVisible = false;
}
private void BuildColumns ()
{
// Hidden expander column
TreeViewColumn col = new TreeViewColumn ();
col.Visible = false;
AppendColumn (col);
ExpanderColumn = col;
source_column = new TreeViewColumn ();
source_column.Sizing = TreeViewColumnSizing.Autosize;
uint xpad = 2;
// Special renderer for header rows; hidden for normal source rows
header_renderer = new CellRendererText () {
Xpad = xpad,
Ypad = 4,
Ellipsize = Pango.EllipsizeMode.End,
Weight = (int)Pango.Weight.Bold,
Variant = Pango.Variant.SmallCaps
};
// Renderer for source rows; hidden for header rows
source_renderer = new SourceRowRenderer ();
source_renderer.Xpad = xpad;
source_column.PackStart (header_renderer, true);
source_column.SetCellDataFunc (header_renderer, new Gtk.CellLayoutDataFunc ((layout, cell, model, iter) => {
var type = (SourceModel.EntryType) model.GetValue (iter, (int)SourceModel.Columns.Type);
header_renderer.Visible = type == SourceModel.EntryType.Group;
source_renderer.Visible = type == SourceModel.EntryType.Source;
if (type == SourceModel.EntryType.Group) {
var source = model.GetValue (iter, (int)SourceModel.Columns.Source) as Source;
header_renderer.Visible = true;
header_renderer.Text = source.Name;
} else {
header_renderer.Visible = false;
}
}));
int width, height;
Gtk.Icon.SizeLookup (IconSize.Menu, out width, out height);
source_renderer.RowHeight = RowHeight.Get ();
source_renderer.RowHeight = height;
source_renderer.Ypad = (uint)RowPadding.Get ();
source_renderer.Ypad = 2;
source_column.PackStart (source_renderer, true);
source_column.SetCellDataFunc (source_renderer, new CellLayoutDataFunc (SourceRowRenderer.CellDataHandler));
AppendColumn (source_column);
HeadersVisible = false;
}
private void BuildColumns()
{
// Hidden expander column
TreeViewColumn col = new TreeViewColumn();
col.Visible = false;
AppendColumn(col);
ExpanderColumn = col;
source_column = new TreeViewColumn();
source_column.Sizing = TreeViewColumnSizing.Autosize;
uint xpad = 2;
// Special renderer for header rows; hidden for normal source rows
header_renderer = new CellRendererText()
{
Xpad = xpad,
Ypad = 4,
Ellipsize = Pango.EllipsizeMode.End,
Weight = (int)Pango.Weight.Bold,
Variant = Pango.Variant.SmallCaps
};
// Renderer for source rows; hidden for header rows
source_renderer = new SourceRowRenderer();
source_renderer.Xpad = xpad;
source_column.PackStart(header_renderer, true);
source_column.SetCellDataFunc(header_renderer, new Gtk.CellLayoutDataFunc((layout, cell, model, iter) => {
if (model == null)
{
throw new ArgumentNullException("model");
}
// be paranoid about the values returned from model.GetValue(), they may be null or have unexpected types, see bgo#683359
var obj_type = model.GetValue(iter, (int)SourceModel.Columns.Type);
if (obj_type == null || !(obj_type is SourceModel.EntryType))
{
var source = model.GetValue(iter, (int)SourceModel.Columns.Source) as Source;
var source_name = source == null ? "some source" : String.Format("source {0}", source.Name);
Log.ErrorFormat(
"SourceView of {0} could not render its source column because its type value returned {1} from the iter",
source_name, obj_type == null ? "null" : String.Format("an instance of {0}", obj_type.GetType().FullName));
header_renderer.Visible = false;
source_renderer.Visible = false;
return;
}
var type = (SourceModel.EntryType)obj_type;
header_renderer.Visible = type == SourceModel.EntryType.Group;
source_renderer.Visible = type == SourceModel.EntryType.Source;
if (type == SourceModel.EntryType.Group)
{
var source = (Source)model.GetValue(iter, (int)SourceModel.Columns.Source);
header_renderer.Visible = true;
header_renderer.Text = source.Name;
}
else
{
header_renderer.Visible = false;
}
}));
int width, height;
Gtk.Icon.SizeLookup(IconSize.Menu, out width, out height);
source_renderer.RowHeight = RowHeight.Get();
source_renderer.RowHeight = height;
source_renderer.Ypad = (uint)RowPadding.Get();
source_renderer.Ypad = 2;
source_column.PackStart(source_renderer, true);
source_column.SetCellDataFunc(source_renderer, new CellLayoutDataFunc(SourceRowRenderer.CellDataHandler));
AppendColumn(source_column);
HeadersVisible = false;
}
private void BuildColumns ()
{
// Hidden expander column
TreeViewColumn col = new TreeViewColumn ();
col.Visible = false;
AppendColumn (col);
ExpanderColumn = col;
source_column = new TreeViewColumn ();
source_column.Sizing = TreeViewColumnSizing.Autosize;
uint xpad = 2;
// Special renderer for header rows; hidden for normal source rows
header_renderer = new CellRendererText () {
Xpad = xpad,
Ypad = 4,
Ellipsize = Pango.EllipsizeMode.End,
Weight = (int)Pango.Weight.Bold,
Variant = Pango.Variant.SmallCaps
};
// Renderer for source rows; hidden for header rows
source_renderer = new SourceRowRenderer ();
source_renderer.Xpad = xpad;
source_column.PackStart (header_renderer, true);
source_column.SetCellDataFunc (header_renderer, new Gtk.CellLayoutDataFunc ((layout, cell, model, iter) => {
if (model == null) {
throw new ArgumentNullException ("model");
}
// be paranoid about the values returned from model.GetValue(), they may be null or have unexpected types, see bgo#683359
var obj_type = model.GetValue (iter, (int)SourceModel.Columns.Type);
if (obj_type == null || !(obj_type is SourceModel.EntryType)) {
var source = model.GetValue (iter, (int)SourceModel.Columns.Source) as Source;
var source_name = source == null ? "some source" : String.Format ("source {0}", source.Name);
Log.ErrorFormat (
"SourceView of {0} could not render its source column because its type value returned {1} from the iter",
source_name, obj_type == null ? "null" : String.Format ("an instance of {0}", obj_type.GetType ().FullName));
header_renderer.Visible = false;
source_renderer.Visible = false;
return;
}
var type = (SourceModel.EntryType) obj_type;
header_renderer.Visible = type == SourceModel.EntryType.Group;
source_renderer.Visible = type == SourceModel.EntryType.Source;
if (type == SourceModel.EntryType.Group) {
var source = (Source) model.GetValue (iter, (int)SourceModel.Columns.Source);
header_renderer.Visible = true;
header_renderer.Text = source.Name;
} else {
header_renderer.Visible = false;
}
}));
int width, height;
Gtk.Icon.SizeLookup (IconSize.Menu, out width, out height);
source_renderer.RowHeight = RowHeight.Get ();
source_renderer.RowHeight = height;
source_renderer.Ypad = (uint)RowPadding.Get ();
source_renderer.Ypad = 2;
source_column.PackStart (source_renderer, true);
source_column.SetCellDataFunc (source_renderer, new CellLayoutDataFunc (SourceRowRenderer.CellDataHandler));
AppendColumn (source_column);
HeadersVisible = false;
}
